Use tuple of tuple in constraint
Use tuple of tuple in constraint

Co-authored-by: Jean-Etienne Castagnede <096b26bc572e2e72b552b144acf938590c173160@gmail.com>
GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin,GeotrekCE/Geotrek-admin